<template>
  <div>
    <div>
      <el-input style="width: 200px" placeholder="查询用户名" v-model="username"></el-input>
      <el-input style="width: 200px;   margin: 0 10px" placeholder="查询姓名" v-model="name"></el-input>
      <el-button type="primary" @click="load(1)">查询</el-button>
      <el-button type="info" @click="reset">重置</el-button>
    </div>
    <div style="margin: 10px 0">
      <el-button type="primary" plain @click="handleAdd">新增</el-button>
      <el-button type="danger" plain @click="delBatch">批量删除</el-button>
      <el-button type="info" plain @click="exportData">批量导出</el-button>
      <el-upload action="http://localhost:8081/user/import" :on-succes="handleImport" :headers="{token:user.token}" style="display: inline;margin: 10px" :show-file-list="false">
        <el-button type="primary" plain>批量导入</el-button>
      </el-upload>
    </div>

    <el-table :data="tableData" stripe :header-cell-style="{backgroundColor:'aliceblue',color:'#333'}"
              @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/> <!--实现多选-->
      <el-table-column width="70" prop="id" label="序号" align="center"></el-table-column>
      <el-table-column prop="username" label="用户名"></el-table-column>
      <el-table-column prop="name" label="姓名"></el-table-column>
      <el-table-column prop="phone" label="电话号"></el-table-column>
      <el-table-column prop="email" label="邮箱"></el-table-column>
      <el-table-column prop="address" label="地址"></el-table-column>
      <el-table-column label="头像">
        <template v-slot="scope">
          <div style="display: flex ;align-items: center">
            <el-image style="width: 50px;height: 50px;border-radius: 50%" v-if="scope.row.avatar"
                      :src="scope.row.avatar" :preview-src-list="[scope.row.avatar]"/>
          </div>
        </template>
      </el-table-column>
      <el-table-column prop="role" label="角色"></el-table-column>
      <el-table-column label="操作" align="center" width="180">
        <template v-slot="scope">
          <el-button type="primary" plain size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-button type="danger" plain size="mini" @click="del(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-size="pageSize"
          layout="total,prev,pager,next"
          :total="total">
      </el-pagination>
    </div>
    <el-dialog title="" :visible.sync="fromVisible" width="30%">

      <el-form :model="form" label-width="80px" style="padding-right:20px" :rules="rules" ref="formRef">

        <el-form-item label="用户名" prop="username">
          <el-input v-model="form.username" placeholder="用户名"></el-input>
        </el-form-item>

        <el-form-item label="姓名" prop="name">
          <el-input v-model="form.name" placeholder="姓名"></el-input>
        </el-form-item>

        <el-form-item label="电话" prop="phone">
          <el-input v-model="form.phone" placeholder="电话"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
          <el-input v-model="form.email" placeholder="邮箱"></el-input>
        </el-form-item>

        <el-form-item label="地址" prop="email">
          <el-input type="textarea" v-model="form.address" placeholder="地址"></el-input>
        </el-form-item>

        <el-form-item label="身份" prop="email">
          <el-radio-group v-model="form.role">
            <el-radio label="管理员"></el-radio>
            <el-radio label="用户"></el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="头像">
          <el-upload
              class="avatar-uploader"
              action="http://localhost:8081/file/upload"
              :headers="{token: user.token}"
              :show-list="form.avatar?[form.avatar]:[]"
              :on-success="handleAvatarSuccess"
          >
            <el-button type="primary">上传头像</el-button>
          </el-upload>

        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="fromVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>

export default {
  name: "User",
  data() {
    return {
      tableData: [], //所有的数据
      pageNum:1,  //当前的页数
      pageSize:5,  //每页显示的数据
      username: '',
      name: '',
      total: 0,
      fromVisible: false,
      form: {},
      user: JSON.parse(localStorage.getItem("honey-user") || '{}'),
      rules: {
        username: [
          {required: true, message: "请输入账号", trigger: 'blur'},
        ]
      },
      ids: []
    }
  },
  created() {
    this.load()
  },
  methods: {
    //导入
    handleImport(res,file,filelist){
      if (res.code === '200'){
        this.$message.success("操作成功")
        this.load(1)
      } else {
        this.$message.error(res.msg)
      }

    },
    //批量导出数据
    exportData() {
      if (!this.ids.length) {
        window.open('http://localhost:8081/user/export?token='+this.user.token)
      }

    },
    delBatch() {
      if (this.ids.length === 0) {
        this.$message.warning("请选择数据")
        return
      }
      this.$confirm("您确认删除这些数据吗？", "确认删除", {type: "warning"}).then(response => {
        this.$request.delete('/user/delete/batch/', {data: this.ids}).then(res => {
          if (res.code === '200') {
            this.$message.success("操作成功")
            this.load(1)
          } else {
            this.$message.error(res.msg)
          }
        })
      }).catch(() => {
      })

    },
    handleSelectionChange(rows) {
      this.ids = rows.map(v => v.id)
    },
    del(id) {
      this.$confirm("您确认删除吗？", "确认删除", {type: "warning"}).then(response => {
        this.$request.delete('/user/delete/' + id).then(res => {
          if (res.code === '200') {
            this.$message.success("操作成功")
            this.load(1)
          } else {
            this.$message.error(res.msg)
          }
        })
      }).catch(() => {
      })
    },
    //编辑方法
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row)) //给form对象赋值 要深拷贝数据
      this.fromVisible = true
    },
    //新增数据
    handleAdd() {
      this.form = {role: '用户'}
      this.fromVisible = true
    },
    //保存按钮触发逻辑 触发编辑或者新增
    save() {
      this.$refs.formRef.validate((valid) => {
        if (valid) {
          this.$request({
            url: this.form.id ? '/user/update' : '/user/add',
            method: this.form.id ? 'PUT' : 'POST',//判断form表单中是否有id字段 如果有表示put编辑 如果没有 表示post新增
            data: this.form
          }).then(res => {
            if (res.code === '200') {
              this.$message.success("保存成功")
              this.load(1)
              this.fromVisible = false
            } else {
              this.$message.error(res.messages)
            }
          })
        }
      })
    },
    reset() {
      this.name = ''
      this.username = ''
      this.load()
    },
    load(pageNum) {  // 分页查询
      if (pageNum) this.pageNum = pageNum
      this.$request.get('/user/selectByPage', {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          username: this.username,
          name: this.name
        }
      }).then(res => {
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    handleCurrentChange(pageNum) {
      this.pageNum=pageNum
      this.load(pageNum)
    },
    handleAvatarSuccess(response, file, fileList) {
      this.form.avatar = response.data

    },
  }
}
</script>

<style scoped>

</style>
